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check for systems with broken RTLD_GLOBAL.

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Sat Feb 17 07:33:44 2001  Tim Janik  <timj@gtk.org>

        * configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
        with broken RTLD_GLOBAL.

Sat Feb 17 07:33:21 2001  Tim Janik  <timj@gtk.org>

        * gmodule-dl.c: fix systems with broken RTLD_GLOBAL.
This commit is contained in:
Tim Janik
2001-02-17 06:34:42 +00:00
committed by Tim Janik
parent 41b0cbc3c0
commit c80c7b84fd
12 changed files with 86 additions and 3 deletions
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5
ChangeLog
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-0
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-10
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-12
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-2
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-4
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-6
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

5
ChangeLog.pre-2-8
View File

@@ -1,3 +1,8 @@
Sat Feb 17 07:33:44 2001 Tim Janik <timj@gtk.org>
* configure.in (G_MODULE_BROKEN_RTLD_GLOBAL): check for systems
with broken RTLD_GLOBAL.
2001-01-02 Dan Winship <danw@helixcode.com>
* garray.h (g_array_append_val, g_array_prepend_val,

32
configure.in
View File

@@ -481,6 +481,7 @@ G_MODULE_LIBS=
G_MODULE_LDFLAGS=
dnl G_MODULE_IMPL= don't reset, so cmd-line can override
G_MODULE_NEED_USCORE=0
G_MODULE_BROKEN_RTLD_GLOBAL=0
G_MODULE_HAVE_DLERROR=0
dnl *** dlopen() and dlsym() in system libraries
if test -z "$G_MODULE_IMPL"; then
@@ -533,6 +534,36 @@ if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
LDFLAGS_orig="$LDFLAGS"
LIBS="$LIBS $G_MODULE_LIBS"
LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
glib_cv_rtldglobal_broken,[
AC_TRY_RUN([
#include <dlfcn.h>
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#ifndef RTLD_LAZY
#define RTLD_LAZY 0
#endif
int pthread_create;
int main () {
void *handle, *global, *local;
global = &pthread_create;
handle = dlopen ("libpthread.so", RTLD_GLOBAL | RTLD_LAZY);
if (!handle) return 0;
local = dlsym (handle, "pthread_create");
return global == local;
}],
[glib_cv_rtldglobal_broken=no],
[glib_cv_rtldglobal_broken=yes],
[])
rm -f plugin.c plugin.o plugin.lo
])
if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
G_MODULE_BROKEN_RTLD_GLOBAL=1
else
G_MODULE_BROKEN_RTLD_GLOBAL=0
fi
dnl *** check whether we need preceeding underscores
AC_MSG_CHECKING(for preceeding underscore in symbols)
AC_CACHE_VAL(glib_cv_uscore,[
@@ -575,6 +606,7 @@ AC_SUBST(G_MODULE_LIBS)
AC_SUBST(G_MODULE_LDFLAGS)
AC_SUBST(G_MODULE_HAVE_DLERROR)
AC_SUBST(G_MODULE_NEED_USCORE)
AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
AC_SUBST(GLIB_DEBUG_FLAGS)

4
gmodule/ChangeLog
View File

@@ -1,3 +1,7 @@
Sat Feb 17 07:33:21 2001 Tim Janik <timj@gtk.org>
* gmodule-dl.c: fix systems with broken RTLD_GLOBAL.
2000-07-19 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gmodule.h: include glib.h before doing extern "C". Makes some

10
gmodule/gmodule-dl.c
View File

@@ -58,15 +58,19 @@
* RTLD_GLOBAL - the external symbols defined in the library will be made
* available to subsequently loaded libraries.
*/
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif /* RTLD_GLOBAL */
#ifndef RTLD_LAZY
#define RTLD_LAZY 1
#endif /* RTLD_LAZY */
#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif /* RTLD_NOW */
/* some systems (OSF1 V5.0) have broken RTLD_GLOBAL linkage */
#ifdef G_MODULE_BROKEN_RTLD_GLOBAL
#undef RTLD_GLOBAL
#endif /* G_MODULE_BROKEN_RTLD_GLOBAL */
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif /* RTLD_GLOBAL */
/* --- functions --- */

3
gmodule/gmoduleconf.h.in
View File

@@ -38,6 +38,9 @@ extern "C" {
#if (@G_MODULE_NEED_USCORE@) || defined (hp9000s300) || defined (__hp9000s300) || defined (__hp9000s300__)
#define G_MODULE_NEED_USCORE
#endif
#if (@G_MODULE_BROKEN_RTLD_GLOBAL@)
#define G_MODULE_BROKEN_RTLD_GLOBAL
#endif
#ifdef __cplusplus